Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2015	Sep. 26, 2014	Oct. 02, 2015	Sep. 26, 2014
Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 3,058	$ 2,936	$ 9,754	$ 6,169
Foreign currency translation adjustment	(922)	(786)	(1,086)	(301)
Total comprehensive income	$ 2,136	$ 2,150	$ 8,668	$ 5,868